AMD Radeon RX 455 OEM vs AMD Radeon RX 6600

VS

AMD Radeon RX 455 OEM AMD Radeon RX 6600

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 132W)

AMD Radeon RX 6600 's Advantages

Released 5 years and 4 months late

Boost Clock2491MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 104.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Radeon RX 6600 +453%

8.928 TFLOPS

Radeon RX 455 OEM

VS

Radeon RX 6600

Graphics Card

Jun 2016

Release Date

Oct 2021

Arctic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1626 MHz

-

Boost Clock

2491 MHz

1625 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

12

Compute Units

28

768

Shading Units

1792

48

TMUs

112

16

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

159.4 GPixel/s

50.40 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

1.613 TFLOPS

FP32 (float)

8.928 TFLOPS

100.8 GFLOPS

FP64 (double)

558.0 GFLOPS

Graphics Processor

Tobago

GPU Name

Navi 23

Tobago PRO (215-0875010)

GPU Variant

Navi 23 XL (215-130000016)

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.08 billion

Transistors

11.06 billion

160 mm²

Die Size

237 mm²

Board Design

100W

TDP

132W

300 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.5

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